{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-04-01","schedule":[{"end":"2027-04-01T17:50Z","end_local":"20:50","hours":1.08,"mean_quality":0.0,"start":"2027-04-01T16:45Z","start_local":"19:45","target":null},{"end":"2027-04-01T19:10Z","end_local":"22:10","hours":1.33,"mean_quality":0.49,"start":"2027-04-01T17:50Z","start_local":"20:50","target":"M45"},{"end":"2027-04-02T04:05Z","end_local":"07:05","hours":8.92,"mean_quality":0.0,"start":"2027-04-01T19:10Z","start_local":"22:10","target":null}],"targets":[{"best_window":{"end":"2027-04-01T18:40Z","end_local":"21:40","hours":0.25,"label":"good","mean_quality":0.66,"start":"2027-04-01T18:25Z","start_local":"21:25"},"dec":24.11388889,"moon_separation":106.4,"name":"M45","quality_hours":0.72,"ra":56.60083333,"resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"score":null,"score_astronomy":13,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":179.7,"t":"2027-04-01T13:30Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-04-01T17:15Z","end_local":"20:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-04-01T16:45Z","start_local":"19:45"},{"end":"2027-04-01T17:50Z","end_local":"20:50","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2027-04-01T17:15Z","start_local":"20:15"},{"end":"2027-04-01T18:25Z","end_local":"21:25","hours":0.58,"label":"marginal","mean_quality":0.4,"start":"2027-04-01T17:50Z","start_local":"20:50"},{"end":"2027-04-01T18:40Z","end_local":"21:40","hours":0.25,"label":"good","mean_quality":0.66,"start":"2027-04-01T18:25Z","start_local":"21:25"},{"end":"2027-04-01T19:10Z","end_local":"22:10","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-04-01T18:40Z","start_local":"21:40"},{"end":"2027-04-02T04:05Z","end_local":"07:05","hours":8.92,"label":"unusable","mean_quality":0.0,"start":"2027-04-01T19:10Z","start_local":"22:10"}]}],"unscheduled":[],"warnings":[]}
